deprecate_only_if_value

in files/gitlab-cookbooks/package/libraries/deprecations.rb [591:618]

• 18 lines of code
• 15 McCabe index (conditional complexity)

      def deprecate_only_if_value(incoming_version, existing_config, type, config_keys, key, value, deprecated_version, removed_version, note: nil, ignore_deprecation: false) 
        setting = existing_config.dig(*config_keys) || {}

        return [] unless setting.key?(key)

        
        
        return [] if setting[key].respond_to?(:to_h) && setting[key].to_h.empty?

        
        return [] if type == :removal && setting[key] != value

        config_keys.shift if ATTRIBUTE_BLOCKS.include?(config_keys[0])
        messages = []

        if Gem::Version.new(incoming_version) >= Gem::Version.new(removed_version) && type == :removal
          message = "* #{config_keys[0]}[#{key}] has been deprecated since #{deprecated_version} and was removed in #{removed_version}."
          message += " #{note}" if note
          messages << message
        elsif Gem::Version.new(incoming_version) >= Gem::Version.new(deprecated_version) && type == :deprecation && !ignore_deprecation
          message =  "* #{config_keys[0]}[#{key}] has been deprecated since #{deprecated_version} and will be removed in #{removed_version}."
          message += " #{note}" if note
          messages << message
        end

        messages
      end